server and client code for network term project

client.html

<!--
  file upload client
  @author shj
-->

<input type="file" />
<button>업로드</button>

<script>
  // append event handler
  document.querySelector('button').addEventListener('click', () => {
    // get file binary
    const file = document.querySelector('input').files[0];

    // store into the form data
    const data = new FormData();
    data.append('data', file);

    // print file size
    console.log(
      'upload file size:',
      `${Math.floor((file.size / 1024) * 1000) / 1000}KB`,
    );

    // fetching to server (http://127.0.0.1:3000)
    fetch('http://localhost:3000', { method: 'POST', body: data });
  });
</script>

server.js

/**
 * file upload server
 * @author shj
 */

// import http module
const http = require('http');

// create server
http.createServer(( req ) => {
  // print buffer
  req.on('data', console.log);
}).listen(3000); // http://127.0.0.1:3000